Improve comfort during long work hours with this keyboard manager, which offers three height positions below the desk to help you maintain correct posture while typing. This Fellowes keyboard manager includes a mouse tray, which features a gel wrist rest and can be mounted to either side of the keyboard. Keyboard shelf is a versatile accessory that helps keep you organized. Comes and graphite colors. Overall dimensions: 4. 5"H x 30. 5"W x 20"D. Adjustable to create a personal fit. Integrated gel wrist pad provides soft, flexible support to reduce wrist and hand strain during extended typing sessions. Provides tilt adjustment for comfortable data entry. 3-year manufacturer limited warranty. Customize the height of your typing surface with this Fellowes fully adjustable keyboard manager and mouse tray.